Endo

When barium hydroxide and ammonium chloride react, the temperature of the mixture decreases. What kind of reaction is this?

• Endothermic

• Decomposition

• Exothermic

• Indothermic

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Alka-seltzer tablets dropped in water feel cool. This is an example of an ___ reaction. 

• Endothermic

• Exothermic

• Dissolving a salt

• Physical change 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is photosynthesis an exothermic or endothermic reaction?

• Endothermic

• Exothermic

• Neither

Tags

NGSS.MS-LS1-6

Baking bread and cooking an egg are examples of ____ reactions. (Remember- heat from the pan or oven goes into the raw egg or dough.)

• Endothermic

• Exothermic

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

You may have never eaten sherbet sweets candy, but they fizz in your mouth and end up making your tongue feel cold. Why do you think that is?

• An exothermic reaction occurs.

• An endothermic reaction occurs.

• They're made of ice.

• They dissolve in your mouth.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true? 

• The temperature changed 

• It is an endothermic reaction

• It is an exothermic reaction 

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Baking bread and cooking an egg are examples of....?

• Endothermic processes

• Exothermic processess

• None of these 

Tags

NGSS.MS-PS1-4

What type of reaction absorbs heat from the surroundings?

• Endothermic

• Exothermic

• Combustion

• Neutralization

Tags

NGSS.MS-PS3-4

Which of the following processes is an example of an endothermic reaction?

• Photosynthesis

• Respiration

• Combustion of gasoline

• Rusting of iron

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In an endothermic reaction, what happens to the temperature of the surroundings?

• It decreases

• It increases

• It remains constant

• It fluctuates

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4